The Historic Gothic Wisłoujście Fortress In Gdańsk Poland From The 15th Century. Stock Photo

The historic Gothic Wisłoujście Fortress in Gdańsk Poland on the Martwa Wisła in front of the Westerplatte peninsula, dating from the end of the 15th century; its most important tasks were the control of merchant ships, their protection and the navigation of the light of lanterns, and until the nineteenth century it was of military importance; Wisłoujście Fortress is currently the oldest seaside fortification on the Polish coast; it was particularly important to ensure the safety of the Gdańsk port from the side of the Vistula estuary.